2040421202 has 4 divisors (see below), whose sum is σ = 3060631806. Its totient is φ = 1020210600.

The previous prime is 2040421193. The next prime is 2040421223. The reversal of 2040421202 is 2021240402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1784133121 + 256288081 = 42239^2 + 16009^2 .

It is a super-2 number, since 2×2040421202² = 8326637363142249608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105299 + ... + 510105302.

Almost surely, 2^2040421202 is an apocalyptic number.

2040421202 is a deficient number, since it is larger than the sum of its proper divisors (1020210604).

2040421202 is a wasteful number, since it uses less digits than its factorization.

2040421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020210603.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2040421202 is about 45171.0217063993. The cubic root of 2040421202 is about 1268.3524219680.

Adding to 2040421202 its reverse (2021240402), we get a palindrome (4061661604).

The spelling of 2040421202 in words is "two billion, forty million, four hundred twenty-one thousand, two hundred two".